4F9Y

Human P38 alpha MAPK In Complex With a Novel and Selective Small Molecule Inhibitor

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Mitogen-activated protein kinase 14	polymer	383	43955.9	1	UniProt (Q16539) Pfam (PF00069) In PDB	Homo sapiens (human)	MAP kinase 14, MAPK 14, Cytokine suppressive anti-inflammatory drug-binding protein, CSAID-binding protein, CSBP, MAP kinase MXI2, MAX-interacting protein 2, Mitogen-activated protein kinase p38 alpha, MAP kinase p38 alpha, Stress-activated protein kinase 2a, SAPK2a
2	A	4-[3-(4-FLUOROPHENYL)-1H-PYRAZOL-4-YL]PYRIDINE	non-polymer		239.2	2	Chemie (GG5)
3	A	N,N-dimethyl-6-(naphthalen-1-yl)-5-(pyridin-4-yl)pyridazin-3-amine	non-polymer		326.4	1	Chemie (LM3)
4	A	BETA-MERCAPTOETHANOL	non-polymer		78.1	2	Chemie (BME)
5	A	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	1	Chemie (PEG)
6		water	water		18.0	292	Chemie (HOH)

Sequence modifications

A: 2 - 360 (UniProt: Q16539)

PDB	External Database	Details
Met -22	-	expression tag
His -21	-	expression tag
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
Ser -15	-	expression tag
Ser -14	-	expression tag
Gly -13	-	expression tag
Val -12	-	expression tag
Asp -11	-	expression tag
Leu -10	-	expression tag
Gly -9	-	expression tag
Thr -8	-	expression tag
Glu -7	-	expression tag
Asn -6	-	expression tag
Leu -5	-	expression tag
Tyr -4	-	expression tag
Phe -3	-	expression tag
Gln -2	-	expression tag
Ser -1	-	expression tag
Asn 0	-	expression tag
Ala 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	43955.9
Non-Polymers*	Number of molecules	6
	Total formula weight	1067.3
All*	Total formula weight	45023.2

*Water molecules are not included.